Aprilaire #4410 Level Sensor Pentek Poly Spun Filters CTO series

CTO series

10x30x1 MERV 11 Air Filter - Box of 6

have a great dirt holding capacity and extend the time between filter changes

15x20x1 MERV 13 filters are right on the cusp of being classified as “medium efficiency MERV pleated air filters” and “high-efficiency MERV pleated air filters

Part number 155656-06

Aprilaire #4410 Level Sensor Pentek Poly Spun Filters CTO seriesAprilaire #4410 Level Sensor Water level sensor assembly to fit certain Aprilaire models. Fits at the bottom of the scale control insert. Has 2 magnetic reed switches in it which look for the location of the 2 floats that are sold separately. Turns water solenoid valve on and off based on the water level inside the bottom of the scale control insert.